528
CXUS56 KOTX 011437
CLMOMK

CLIMATE REPORT
NATIONAL WEATHER SERVICE SPOKANE WA
737 AM PDT MON JUN 01 2026

...................................

...THE OMAK WA AIRPORT CLIMATE SUMMARY FOR THE MONTH OF MAY 2026...

CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1909 TO 2026

WEATHER         OBSERVED          NORMAL  DEPART   LAST YEAR`S
                VALUE   DATE(S)   VALUE   FROM     VALUE DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH            104   05/31/1986
 LOW              19   05/01/1954
HIGHEST           94   05/28         MM      MM       89  05/31
LOWEST            35   05/16         MM      MM       32  05/05
AVG. MAXIMUM    77.7               72.4     5.3     73.4
AVG. MINIMUM    47.5               45.1     2.4     42.3
MEAN            62.6               58.8     3.8     57.8
DAYS MAX >= 90     1                0.8     0.2        0
DAYS MAX <= 32     0                0.0     0.0        0
DAYS MIN <= 32     0                2.4    -2.4        1
DAYS MIN <= 0      0                0.0     0.0        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        4.42   1948
 MINIMUM           T   1938
TOTALS          0.61               1.19   -0.58     0.45
DAILY AVG.      0.02               0.04   -0.02     0.01
DAYS >= .01        4                7.6    -3.6        8
DAYS >= .10        3                3.4    -0.4        1
DAYS >= .50        0                0.7    -0.7        0
DAYS >= 1.00       0                0.1    -0.1        0
GREATEST
 24 HR. TOTAL   0.37   05/28 TO 05/29               0.15


DEGREE DAYS
HEATING TOTAL    110                214    -104      232
 SINCE 7/1      5080               6099   -1019       MM
COOLING TOTAL     43                 20      23       18
 SINCE 1/1        43                 21      22       MM
................................................................

WIND (MPH)
AVERAGE WIND SPEED              8.3
HIGHEST WIND SPEED/DIRECTION    35/190    DATE  05/28
HIGHEST GUST SPEED/DIRECTION    48/180    DATE  05/28

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.15
NUMBER OF DAYS FAIR           26
NUMBER OF DAYS PC              5
NUMBER OF DAYS CLOUDY          0

AVERAGE RH (PERCENT)     45

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              3     MIXED PRECIP               0
HEAVY RAIN                1     RAIN                       3
LIGHT RAIN                7     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                       3     FOG W/VIS <= 1/4 MILE      0
HAZE                      3

-  INDICATES NEGATIVE NUMBERS.
R  INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T  INDICATES TRACE AMOUNT.

$$